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Question- The solubility product constant for barium fluoride is 2.5 * x10^-5. Calculate the solubility of BaF2 in mol/L.
Please illustrate work and walk me during the problem so that I can follow and understand it.
A sample of gasoline was run through the GC yielding several peaks indicating the components that made up the gasoline mixture. Uncertain of the amount of benzene in the gas, a pair of students taking instrumental analysis does an experiment using..
Calculate (a) the work done when the gas expands isothermally against a constant external pressure of 200 Torr until its volume has increased by 3.6 dm3, and (b) the work that would be done if the same expansion had occurred reversibly.
A buffer, consisting of H2PO4- and HPO42-, helps control the pH of physiological fluids. Many carbonated soft drinks also use this buffer system.
What is the final volume of the balloon. Assume that the pressure inside and outside the balloon has the same value. Ans. V = 34.8 L
when a pure solvent freezes the temperature remains constant till all liquid is frozen thus the freezing point. when
If 0.10g of benzene (C6H6) is ignited in a 0.3 L vesses at 298K and surrounded by 25atm of oxygen: a) write the net reaction; b) how many moles of O2 were consumed? c) how many moles of product were produced d) what is the change in moles of the r..
Calculate the mixing ratio (ppbv) of NO2. Assume T=20 degrees Celsius = 293 K; P = Atmospheric pressure. MW of NO2 = 44g/mol.
0.30 g of hydrogen chloride (HCl) is dissolved in water to make 4.5 L of solution. What is the ph of the resulting hydrochloric acid solution
Consider the five individual ions two cations as well as three anions that come together to form the compound ferric oxide. How many total electrons does each of the cations have
Explain an unknown acid is a diprotic acid can donate 2 proton. 0.954g of the unknown acid is titrated with 0.509M NaOH.
Question- Bombarding a target nucleus with a neutron gives manganese-56 and an alpha particle. What is the target nucleus
what is the frequency of light needed to eject electrons from a metal is called the threshold frequency nu0. find the
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